Any jumping, orthopterous insect, of the families Acrididæ and Locustidæ, having large hind legs adapted for leaping, and chewing mouth parts. The species and genera are very numerous and some are very destructive to crops. The former family includes the Western grasshopper or locust (Caloptenus spretus), noted for the great extent of its ravages in the region beyond the Mississippi. In the Eastern United States the red-legged (Caloptenus femurrubrum and C. atlanis) are closely related species, but their ravages are less important. They are closely related to the migratory locusts of the Old World. See Locust.
In ordinary square or upright pianos of London make, the escapement lever or jack, so made that it can be taken out and replaced with the key; - called also the hopper.
An antipersonnel mine that jumps from the ground to body height when activated, and explodes, hurling metal fragments over a wide area.
A mixed alcoholic beverage containing crème de menthe, light cream, and sometimes crème de cacao. The name comes from its light green color.
A large, green, arboreal, orthopterous insect (Cyrtophyllus concavus) of the family Locustidæ, common in the United States. The males have stridulating organs at the bases of the front wings. During the summer and autumn, in the evening, the males make a peculiar, loud, shrill sound, resembling the combination Katy-did, whence the name.